The Interpupillary Distance (max): 72mm (2.83") and Interpupillary Distance (min): 56mm (2.20").

Are these good for long distance viewing such as over a body of water?

25X100 are intended for astronomy so, yeah, long distance viewing.

between the two eye sockets, there is a small dial with a 60 and 70 printed and a white dot on the outside of the dial. What is this?

This is for adjusting the distance between your eyes. The center piece acts as a pivot point. moving the eye sockets closer or further apart while looking though the binoculars you'll see an over lapping image until properly adjusted. The dot will then act as a reference to quickly a line the eye sockets..

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Zhumell 25x100 Tachyon Astronomy Binoculars for Deep-Sky Observing

Zhumell 25x100 Tachyon Astronomy Binoculars for Deep-Sky Observing

Product ID: 73500112

Details

Age Range (Description)
Adult
Brand
Zhumell
Magnification Maximum
25
Objective Lens Diameter
10 centimeters
Special Feature
Lightweight

🌌100mm giant objective lenses capture faint celestial details

🔭25x magnification for deep-sky clarity

🛡️Fully multi-coated BaK4 prisms for max light transmission

¥193793

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Description

🌠 See the Universe Like Never Before – Don’t Just Stargaze, Dominate the Night!

INDIVIDUAL EYEPIECE FOCUS - Customize your view for razor-sharp detail on every celestial target.
POWERFUL 25 X MAGNIFICATION - Zoom into lunar craters and planetary features with precision.
GIANT 100 MM OBJECTIVE LENSES - Capture more light for stunning deep-sky views others miss.
BA K 4 PRISMS MULTI COATED OPTICS - Experience crystal-clear, bright images with superior light transmission.
TRIPOD ADAPTABLE FILTER COMPATIBLE - Stabilize your stargazing and enhance views with standard 1.25-inch filters.

The Zhumell 25x100 Tachyon Astronomy Binoculars combine industrial-strength optics with professional-grade features, including massive 100mm objective lenses, BaK4 prisms, and fully multi-coated optics. Designed for serious deep-sky observing, these binoculars offer 25x magnification, individual eyepiece focus, and compatibility with standard astronomical filters, all in a rugged, tripod-adaptable package perfect for millennial pros seeking to elevate their night sky experience.

Specifications

ASIN	B07BR68XVH
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#4,125 in Camera & Photo Products ( See Top 100 in Camera & Photo Products ) #1,954 in Binoculars
Brand	Zhumell
Built-In Media	Locking metal case, objective lens cap, rain guard, lens cloth, and instruction manual all included
Coating	Fully Multi-Coated
Color	Black
Compatible Devices	Standard Tripod Mount Compatible Devices
Customer Reviews	4.1 out of 5 stars 101 Reviews
Enclosure Material	Metal
Exit-Pupil Diameter	4 millimeters
Features	Lightweight, Portable
Focus Description	Individual Focus
Focus Type	Individual Focus
Global Trade Identification Number	00853555008102
Item Highlight	Giant 100mm Objective Lenses, Tripod Adaptable, Carrying Case Included, High-Power Astronomy, Night Sky Viewing
Item Type Name	Zhumell ZHUG002-1 25x100 Tachyon Astronomy Binoculars with Case, Black
Item Weight	18.3 pounds
Magnification Maximum	25
Manufacturer	Celestron Acquisition LLC
Manufacturer Part Number	ZHUG002-1
Model Name	Zhumell
Model Number	ZHUG002-1
Mount Type	Tripod Mount
Number of Items	1
Objective Lens Diameter	10 centimeters
Prism Type	Porro Prism
Size Map	Full Size
Special Feature	Lightweight, Portable
Specific Uses	Star Gazing
Specific Uses For Product	Star Gazing
UPC	853555008102
Warranty Description	Limited Lifetime
Water Resistance Level	Waterproof
Zoom Ratio	25 multiplier x

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¥193793

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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